WO2020171473A1

WO2020171473A1 - Measurement device using eit electrode

Info

Publication number: WO2020171473A1
Application number: PCT/KR2020/002014
Authority: WO
Inventors: 위헌; 장준
Original assignee: 주식회사 바이랩
Priority date: 2019-02-21
Filing date: 2020-02-13
Publication date: 2020-08-27
Also published as: KR20200102199A; US20220202308A1; KR102264402B1; KR20210070961A; JP2022520961A; EP3928693A1; EP3928693A4; CN113498328A; JP7362150B2; KR102361383B1

Abstract

A body fat measurement device, disclosed according to the present invention, comprises: at least one electrode unit which supports at least one EIT electrode and is tightly attachable to skin; and a sensor unit which measures electrical impedance tomography information by sensing a signal measured from the electrode unit, wherein, after being connected to the sensor unit and used once, the electrode unit may be separated from the sensor unit and replaced. According to such configuration, the one-time used electrode unit may be replaced from the sensor unit, and thus economic efficiency may be achieved and convenience of use may be increased.

Description

Measuring device using EIT electrode

The present invention relates to a measuring device using an EIT electrode, and more specifically, to a measuring device using an EIT electrode capable of improving economy and ease of use due to one-time use and improving measurement accuracy.

The bioimpedance test is a method of passing a minute current through an electrode attached to the body and measuring the voltage to test the body composition based on the value of the change in electrical signal (bio impedance value) by cell membranes and tissues. , Body mass, basal metabolism, body moisture, metabolic activity, bone minerals and plasma, etc. are used to test the health status of the body.

Electrical Impedance Tomography (EIT) is used to image physiological functions such as respiration and blood flow by attaching a number of electrodes to the body and repeating the injection of current and measuring the voltage to restore the impedance distribution of the cross section of the body to an image. It is being used.

In this EIT test, the subject wears a vest or belt type device equipped with a plurality of EIT electrodes. At this time, since the device equipped with the EIT electrode was used many times, there was a risk of bacterial infection, including sweat and body odor of other subjects. In addition, when the device is to be applied to a severely injured patient, it is difficult to attach a plurality of EIT electrodes to the patient.

Accordingly, in recent years, various studies that can increase the convenience and reliability of the subject's electric impedance photographing using EIT electrodes are steadily in progress.

An object of the present invention is to provide a measuring device using an EIT electrode that is economical and improved measurement convenience by using a replaceable electrode after one use.

Another object of the present invention is to provide a measuring device using an EIT electrode capable of measuring various parts and improving measurement accuracy by changing an electrode part according to a measurement condition.

A measuring device using an EIT electrode according to the present invention for achieving the above object includes at least one electrode part that can be closely attached to the skin by supporting at least one EIT electrode, and electric impedance image information by sensing a signal measured from the electrode part. And a sensor unit for measuring, and the electrode unit is connected to the sensor unit and used once, and then separated from the sensor unit and replaced.

In addition, the electrode unit includes at least one electrode support of a pad type that supports the at least one EIT electrode and extends in a longitudinal direction so as to be in close contact with the skin, and the electrode support provides an electrical connection with the EIT electrode. An electrode line for may be provided.

In addition, at least one end of the electrode support may be connected to the sensor unit to electrically connect the EIT electrode and the sensor unit to each other.

In addition, an adhesive means for attaching the electrode support to the skin is provided on one surface of the electrode support where the at least one EIT electrode is supported, and the adhesive means exposes the at least one EIT electrode to contact the skin. The exposed hole may be formed through.

In addition, a plurality of EIT electrodes are provided in a sticker type having adhesive force and are individually adhered to the skin, and the plurality of EIT electrodes may be connected to the sensor unit through respective connection lines.

In addition, the electrode unit may include at least one electrode support connectable to the sensor unit and at least one electrode line extending from the electrode support to electrically connect the electrode support and the at least one EIT electrode, respectively. .

In addition, the at least one electrode line may have different lengths extending from the electrode support.

In addition, the at least one EIT electrode may be provided with a display body on which an identification color or picture is formed, and the electrode part may be provided with a barcode or a radio frequency identification (RFID) tag for providing information on the EIT electrode.

In addition, at least one sensor unit may be provided, and a plurality of electrode units may be provided to be simultaneously connected to the at least one sensor unit.

In addition, the sensor unit is attached to the skin and is connected to a reference electrode that provides a reference of the electrode potential measured by the electrode unit, and the reference electrode is mounted on the sensor unit, so that the adhesion of the reference electrode As a result, the sensor unit may be attached to the skin.

In addition, the sensor unit is connected to a reference electrode that provides a reference of the electrode potential measured by the electrode unit, and the sensor unit is adjacent to the electrode unit and the reference electrode so as to be connectable through the reference electrode and an electrode line. Can be placed on

In addition, a plurality of EIT electrodes may be provided, and any one of the plurality of EIT electrodes may be provided as a reference electrode that provides a reference of the electrode potential measured by the electrode unit and may be connected to the sensor unit.

According to the present invention having the configuration as described above, first, by connecting the disposable electrode unit to the sensor unit interchangeably after one use, it is possible to improve the existing problems such as bacterial infection due to the one use of the electrode unit. You can improve the reliability.

Second, it is economical by using a relatively inexpensive electrode unit once.

Third, the electrode unit can be replaced in response to various measurement conditions, so that measurement diversity can be secured and measurement accuracy can be improved.

Fourth, the replacement operation for connecting and separating the electrode part by the user to the sensor part is easy, so that the convenience of use is excellent.

Fifth, since it is easy to change the attachment position of the electrode unit, it is possible to provide various electrical impedance photographing information by sharing one sensor unit.

1 is a plan view schematically showing a measuring device using an EIT electrode in a first preferred embodiment of the present invention.

FIG. 2 is an exploded perspective view schematically illustrating an electrode part shown in FIG. 1.

3 is a plan view schematically showing a top view, a side view, and a bottom view of the electrode portion shown in FIG. 2.

4 is a plan view schematically showing a modified example of the electrode portion shown in FIG. 2.

5 is an exploded perspective view schematically enlarged and exploded of the sensor unit shown in FIG. 1.

6 is a diagram schematically showing a state in which a reference electrode is provided on the other surface of the sensor connector shown in FIG. 5.

7A and 7B are diagrams schematically showing a state in which an electrode part and a sensor part are attached to the skin of a subject.

8 is a diagram schematically showing a state in which a measuring device using an EIT electrode according to a second embodiment of the present invention is attached to a subject.

9 are plan views schematically showing various modified examples of the electrode unit shown in FIG. 8.

FIG. 10 is a plan view schematically illustrating a state in which the electrode part shown in FIG. 9 is connected to the electrode protector.

11 is a plan view schematically showing an electrode part of a measuring device using an EIT electrode according to a third embodiment of the present invention.

12 is a diagram schematically showing a state in which the electrode shown in FIG. 11 is attached to the skin of a subject.

13 is a plan view schematically showing an electrode part of a measuring device using an EIT electrode according to a fourth embodiment of the present invention. And,

14 is a diagram schematically showing a state in which the electrode shown in FIG. 13 is attached to the skin of a subject.

Hereinafter, a preferred embodiment of the present invention will be described with reference to the accompanying drawings. However, the spirit of the present invention is not limited to such an embodiment, and the spirit of the present invention may be proposed differently by addition, change and deletion of components constituting the embodiment, but this is also included in the spirit of the invention. It becomes.

Referring to FIG. 1, a measuring device 1 using an EIT electrode according to a first exemplary embodiment of the present invention includes an electrode unit 10 and a sensor unit 20.

For reference, the measuring device 1 using the EIT electrode described in the present embodiment is shown and described as being attached to the skin S (see FIG. 7) of the subject to measure the amount of lung respiration and cardiac output. However, the present invention is not limited thereto, and the measuring device 1 using the EIT electrode can detect any one of various biometric information such as body fat, body cells, water content, bone minerals, plasma, and basal metabolism, as well as lung respiration and cardiac output. It is natural that it can be modified to measure and monitor.

The electrode unit 10 includes at least one EIT electrode 11 capable of being in close contact with the skin S. Such an electrode unit 10 includes an EIT electrode 11 and an electrode support 13 as shown in FIGS. 2 and 3. Here, (a) of FIG. 3 is a top view, (b) is a side view, and (c) is a bottom view of the electrode unit 10.

A plurality of EIT electrodes 11 may be provided as shown in FIG. 2, and may be arranged in a row so as to be spaced apart from each other in the longitudinal direction. However, it is not limited to the illustration of FIG. 2, and the EIT electrode 11 may be provided in a single number, or a plurality of EIT electrodes 11 may be provided so as to be spaced apart from each other in multiple rows or rows.

The electrode support 13 supports at least one EIT electrode 11, extends in the longitudinal direction, and has a thin strip shape so as to be in close contact with the skin S. In addition, one EIT electrode 11 or a plurality of EIT electrodes 11 are provided on the electrode support 13 to be spaced apart from each other, and an electrode line 14 for electrical connection with the EIT electrode 11 may be formed. have.

For reference, the electrode line 14 is provided in the electrode support 13 supporting the EIT electrode 11 so that the electronic circuit is located near the EIT electrode 11, thereby improving the quality of measurement data in the EIT photographing method. You can make it.

Meanwhile, at least one electrode support 13 is provided, connected to the sensor unit 20 attached to the subject's skin S, and is separated from the sensor unit 20 after use and disposed of.

In addition, a display 12 for user identification is provided on the plurality of EIT electrodes 11. The display body 12 may be formed in an identifiable image or color to indicate the position to which the EIT electrode 11 is applied or the position of the embedded EIT electrode 11. Although a plurality of such display bodies 12 are shown to be provided corresponding to each of the plurality of EIT electrodes 11, only some of the plurality of EIT electrodes 11 may be provided.

In this embodiment, a plurality of EIT electrodes 11 are supported on one electrode support 13, and the EIT electrode 11 is attached to the first electrode region 11a attached to the front surface of the subject and the rear surface of the subject. It can be distinguished by the second electrode region 11b. In the illustration of FIG. 3, four first and

second electrode regions

11a and 11b are each provided, and a total of eight EIT electrodes 11 are supported on the electrode support 13, but the EIT shown in FIG. It is natural that the number of electrodes 11 is not limited.

The electrode support 13 shown in FIGS. 2 and 3 is provided in at least one pair, and each end 13a is connected to the sensor unit 20. In addition, the other end 13b of the electrode support 13 is in close contact with the skin S along the circumference of the subject (see FIG. 7 ). Accordingly, a total of 16 EIT electrodes 11 are attached to the subject to apply current to the subject in a 16-channel method. At this time, at one end 13a of the electrode support 13, an insert 15 that is inserted into the sensor unit 20 and can be electrically connected may be provided. The insert 15 is electrically connected to the plurality of EIT electrodes 11 through the electrode line 14, and has a connection body 15a connected to the sensor unit 20, and the connection body 15a is It is supported by the insertion housing 15b and is protected by the reinforcing material 15c.

Meanwhile, as shown in FIG. 2, the first and

second electrode regions

11a and 11b have two or more different colors and pictures, thereby guiding the identification of the user. For example, a blue display 12 is provided on the EIT electrode 11 of the first electrode region 11a provided on the one end 13a side of the electrode support 13, and the other end of the electrode support 13 ( A red indicator 12 is provided on the EIT electrode 11 of the second electrode region 11b provided on the 13b) side to guide identification of the one end 13a connected to the sensor unit 20. In addition, in this embodiment, as illustrated as being attached along the subject's torso, a display body 12 of the front surface of the body is provided in the first electrode region 11a to be attached to the subject's front surface, and In the second electrode region 11b to be attached, a display body 12 of a picture on the back side of the body may be provided.

As described above, the EIT electrode 11 of the first and

second electrode regions

11a and 11b is provided with an identification power to the user by the display 12 having at least two colors and pictures, and the EIT electrode 11 The color and picture of the display 12 can be variously changed as shown in FIG. 4 according to the applied part and condition.

In addition, the electrode support 13 may be provided as a sticker having self-adhesive strength or a pad type that can be in close contact with the skin S. In this embodiment, as shown in FIGS. 2 and 3, it is exemplified that it is attached to the skin S by having a pad shape in which the bonding means 16 is stacked on the electrode support 13.

The bonding means 16 has a strip shape extending in the longitudinal direction so as to correspond to the electrode support 13, and an exposed hole 16a for exposing the EIT electrode 11 supported on the electrode support 13 to the outside penetrates Is formed. In addition, as shown in (c) of FIG. 3, the lower surface of the electrode part 10, that is, the adhesive surface of the adhesive means 16, for the protection of the EIT electrode 11 and the adhesion before being attached to the skin S of the subject. , It is preferable that the protective film 17 is attached to the adhesive surface.

As described above, in the electrode part 10, a plurality of EIT electrodes 11 are supported on the electrode support 13, and the plurality of EIT electrodes 11 are exposed through the exposed holes 16a of the bonding means 16. It is protected by the protective film 17 in the state. Thereafter, when affixed to the subject's skin (S), the protective film 17 is separated from the adhesive means 16, and the plurality of EIT electrodes 11 are attached to the electrode support 13 by the adhesive force of the adhesive means 16. ) Is supported in the skin (S).

Meanwhile, although not shown in detail, the electrode unit 10 may be provided with a barcode or a radio frequency identification (RFID) tag capable of providing information such as information such as whether a genuine product is genuine, a measurement part, or a measurement object. The barcode or RFID tag of the electrode unit 10 may provide information through electrical signal exchange with an external electronic device.

The sensor unit 20 is selectively connected to the electrode unit 10 to sense a signal measured from the connected electrode unit 10 to measure body composition such as lung respiration and cardiac output of the subject. As shown in FIG. 5, the sensor unit 20 includes a sensor 21 and a sensor connector 22.

The sensor 21 senses a signal input from the electrode unit 10. The sensor 21 measures the impedance by injecting current into the EIT electrode 11 of the electrode unit 10 to sense the amount of lung breathing and cardiac output of the subject.

The sensor connector 22 is electrically connected to the connection port 23 provided on the sensor 21 to interconnect the external electronic device and the sensor 21. The sensor connector 22 is provided with a connection port 25 for exchanging signals with an electronic device M (see FIG. 7) such as a display device such as an external monitor or a control device. For reference, electrical signals can be exchanged with the outside through the connection port 25, and power may be supplied to the sensor 21.

On the other hand, on both sides of the sensor 21, insertion holes 24 to which the inserts 15 of the electrode unit 10 are inserted and connected are provided. At this time, it is illustrated and illustrated that the electrode unit 10 is connected to the sensor unit 20 by coupling the insert 15 shown in Figs. 3 and 4 to the insertion port 24 in a buckle manner. The connection method of the electrode unit 10 to the unit 20 can be variously modified.

The sensor unit 20 may be connected to the electrode unit 10 after being attached to the subject's skin S by having an adhesive means having adhesive force. In this embodiment, a reference electrode 26 for providing a reference of the electrode potential measured by the electrode unit 10 is provided on the sensor unit 20, and the sensor is applied by the adhesive force of the reference electrode 26. (21) is shown and illustrated as being attached to the skin (S).

That is, in this embodiment, the sensor unit 20 is attached to the skin S using the adhesive force of the reference electrode 26. When attached to the skin S using the reference electrode 26, the first snap 27 is provided on the sensor 21 of the sensor unit 20, and the first snap 27 is provided on the reference electrode 26. A second snap 28 corresponding to) is provided, so that the reference electrode 26 is mounted on the sensor 21 by mutual coupling of the first and

second snaps

27 and 28. It is natural that the coupling method of the sensor 21 and the reference electrode 26 is not limited to the illustrated example.

In addition, in the illustration of FIG. 6, the reference electrode 26 is shown to be integrally provided with the sensor 21, but is not limited thereto. That is, although not shown in detail, the reference electrode 26 is provided separately from the sensor 21 and attached to the skin S of the subject at a position separated from the sensor 21 to determine the reference of the measured electrode potential of the electrode unit 10. You can also provide. In addition, a modified embodiment in which any one of the plurality of EIT electrodes 11 is provided as a reference electrode and is connected to the sensor unit 20 is also possible.

In this case, when the sensor unit 20 does not use the adhesive force of the reference electrode 26, the sensor unit 20 is provided on the attachment surface to which an adhesive means such as double-sided tape is attached to the skin S, The portion 20 may be attached to the skin (S). For reference, a modified example in which the sensor unit 20 is provided with a separate adhesive means together with the adhesive force of the reference electrode 26 and is double-attached to the skin S is also possible. In addition, it is natural that a modified example in which the sensor unit 20 is placed near the subject so that it is not attached to the skin S but is connected to the electrode unit 10 is possible.

An electric impedance photographing operation of the measuring apparatus 1 using the EIT electrode according to the present invention having the above configuration will be described with reference to FIG. 7.

First, as shown in (a) of FIG. 7, the sensor unit 20 is positioned on the skin S of the subject to be measured. In this embodiment, it will be described that the sensor unit 20 is attached to the skin S of the subject using the adhesive force of the reference electrode 26.

While the sensor unit 20 is placed on the subject's skin S, the electrode unit 10 is connected to the sensor unit 20. More specifically, electrode supports 13 supporting the eight EIT electrodes 11 shown in FIGS. 2 and 3 are provided in a pair, and one end 13a of each of the pair of electrode supports 13 is a sensor ( It is connected by being inserted into the insertion port 24 of 21). In addition, as shown in (b) of FIG. 7, the other end 13b of each of the pair of electrode supports 13 is attached to the skin S along the circumference of the subject.

At this time, the user identifies the plurality of EIT electrodes 11 with the image and color of the display 12 and connects the electrode 10 with the sensor 20. More specifically, the user attaches the first electrode region 11a to be positioned on the front of the subject, and connects the electrode unit 10 to the sensor unit 20 so that the second electrode region 11b is positioned on the back of the subject. will be.

For reference, since the electrode support 13 is attached to the skin S by the adhesive force of the adhesive means 16 from which the protective film 17 is separated, the exposed hole 16a of the adhesive means 16 The EIT electrode 11 exposed through) is in direct contact with the skin S to apply a current.

When the electrode unit 10 is connected to the sensor unit 20 in this way, the electrode unit 10 passes a minute current into the body of the subject, and the sensor unit 20 senses the change in the electric signal to detect the subject’s lung respiration and cardiac output. It measures biometric information such as. The measured information is provided through an external line (L) to an external device (M) such as a monitor provided outside.

On the other hand, when the measurement is completed, the electrode unit 10 is separated from the sensor unit 20 and disposed of, so that it is used once. Thereafter, when the subject's lung respiration and cardiac output are to be measured again, a new electrode unit 10 is connected to the attached sensor unit 20 to measure the body composition, and then separate again and discarded. In this way, since only the electrode unit 10, which is relatively inexpensive compared to the sensor unit 20, is discarded after being used once, it is excellent in applicability to various measurement conditions without bacterial infection and is economical.

Referring to FIG. 8, a measuring apparatus 100 using an EIT electrode according to a second preferred embodiment of the present invention is schematically shown.

The measuring apparatus 100 using the EIT electrode according to the second embodiment includes an electrode unit 110 and a sensor unit 120. Here, since the configuration of the sensor unit 120 is similar to the first embodiment described with reference to FIGS. 1 to 7, a detailed description will be omitted.

In the electrode unit 110 according to the second embodiment, as shown in FIG. 9, a plurality of EIT electrodes 111 are provided on the electrode supports 113a, 113b, 113c, and 113d. At this time, an electrode line 114 is provided on the electrode support 113 to electrically connect the plurality of EIT electrodes 111 to each other. Here, the plurality of EIT electrodes 111 can be identified by the display body 112.

In addition, since the electrode support 113 is attached to the subject's skin S with adhesive force, the electrode unit 110 applies current to the subject in a type of sticker electrode method. For reference, the number of electrode units 110 attached to the subject is not limited to the illustrated example.

A plurality of electrode units 110 such as stickers may be attached to the subject's skin S and simultaneously connected to one sensor unit 120 through a connection line 119. In this case, a single sensor unit 120 is provided and is connected to the plurality of electrode units 110 through a connection line 119 in a state attached to the skin S of the subject.

The sensor unit 120 senses the electric signal change values provided from the plurality of electrode units 110 and provides the measured electric impedance photographing information to the external device M. When the measurement of biometric information such as lung respiration and cardiac output is completed by the connection between the electrode unit 110 and the sensor unit 120, the plurality of electrode units 110 are separated and discarded.

Meanwhile, the sensor unit 120 is not shown in detail, but may be attached to the skin S by being connected to a reference electrode (not shown) as in the first embodiment to share the adhesion of the reference electrode. However, the sensor unit 120 is connected to the reference electrode (not shown) using a separate lead wire, the reference electrode is attached to the skin (S), and the sensor unit 120 is not attached at a position that can be connected to the electrode unit 110 It can also be put in a state.

Referring to FIG. 9, various embodiments of the electrode unit 110 are shown.

Figure 9 (a) shows an electrode support (113a) having three EIT electrodes 111 attachable to the front of the subject, and (b) supports three EIT electrodes 111 attachable to the back of the subject. The electrode support 113b is shown. In addition, in (c) and (d) of FIG. 9, electrode supports 113c and 114d respectively supporting four EIT electrodes 111 are shown. Here, the EIT electrodes 111 supported on the electrode supports 113a and 113c shown in FIGS. 9A and 9C are identified by the display 112 so as to be attached to the front surface of the subject, and FIG. 9 The EIT electrodes 111 supported on the electrode supports 113b and 113d shown in (b) and (d) are identified by the display body 112 so as to be attached to the back side of the subject.

The electrode supports 113a, 113b, 113c, and 113d shown in FIGS. 9A to 9D select the number of EIT electrodes 111 according to the condition to be measured, and the sensor unit 120 ) And is provided to be selectively connected.

For reference, as shown in FIG. 10, the electrode support 113 of the electrode part 110 is provided as a kind of thin pad on which the display body 112 and the electrode line 114 for displaying the EIT electrode 111 are provided. In addition, the electrode support 113 may be adhered to the skin S in a state in which the EIT electrode 111 is exposed by stacking the adhesive means 116 on the electrode support 113. At this time, the bonding means 116 may be provided with a connection line 119 for electrical connection between the sensor unit 120 with the plurality of EIT electrodes 111, and the bonding means 116 is a protective film (not shown). ) Can be protected.

11 schematically shows an electrode part 210 of a measuring device using an EIT electrode according to a third preferred embodiment of the present invention. For reference, since the configuration of the sensor unit of the measuring device using the EIT electrode according to the third embodiment is similar to that of the first and second embodiments described above, detailed description and illustration will be omitted.

As shown in FIG. 11, the electrode unit 210 according to the third embodiment includes a plurality of EIT electrodes 211 and an electrode support 212 supporting the EIT electrodes 211. A plurality of EIT electrodes 211 are connected to the electrode support 212 through an electrode line 213. At this time, the electrode line 213 is separated from the electrode support 212 and has a lead shape extending to the plurality of EIT electrodes 211, respectively. In addition, a connection body 214 for electrical connection with a sensor unit (see FIG. 1) is provided at an end of the electrode support 212.

The electrode unit 210 according to the third embodiment having such a configuration is provided in a sticker type in which each of the plurality of EIT electrodes 211 has a self-adhesive force. Therefore, compared to the strip-shaped

electrode support

13 and 113 described above, the position of the EIT electrode 211 can be relatively freely adjusted with respect to the electrode support 212 as shown in FIG. 12. More specifically, in the case of the first and second embodiments in which a plurality of EIT electrodes 211 are arranged in a line in a horizontal direction, as well as the EIT electrodes 211 as shown in FIG. It is easy to change the attachment positions of the EIT electrodes 211, such as measuring body composition by being in close contact with each other.

For reference, the sticker-type electrode unit 210 according to the third embodiment is also connected to the sensor unit, used once, and then separated and discarded.

13, an electrode part 310 of a measuring device using an EIT electrode according to a fourth embodiment of the present invention is schematically shown. For reference, since the configuration of the sensor unit (refer to FIG. 1) of the measuring device using the EIT electrode according to the fourth embodiment is similar to that of the first and second embodiments described above, detailed description and illustration will be omitted.

The electrode unit 310 according to the fourth embodiment includes a plurality of EIT electrodes 311 and an electrode support 312 supporting the same, and an end of the electrode support 312 is electrically connected to a sensor unit (refer to FIG. 1 ). A connection body 314 is provided for it. Here, the plurality of EIT electrodes 311 are connected to the electrode support 312 through the electrode line 313, but the lengths of the electrode lines 313 are different from each other. That is, the electrode lines 313 are separated from the electrode support 312 and have different lengths and are connected to the plurality of EIT electrodes 311, so that the plurality of EIT electrodes 311 are different from the sensor unit (not shown). It is connected by extending the length.

According to this fourth embodiment, a plurality of EIT electrodes 311 may be provided in a sticker type so that each of the EIT electrodes 311 can be attached to the skin S of the subject, and a plurality of EIT electrodes 311 may be attached to the skin S of the subject.

For reference, as in the fourth embodiment, the EIT electrode 311 may have an elliptical shape extending in the longitudinal direction, unlike the circular EIT electrodes described above. The shape of the EIT electrode 311 is not limited to the first to fourth embodiments, and may be provided in various shapes suitable for measurement conditions such as circular, elliptical, and polygonal.

As described above, the

electrode units

10, 110, 210, and 310 shown in the first to fourth embodiments are all provided to be able to variously change the attached position with respect to the subject, and Accordingly, the number of

EIT electrodes

11, 111, 211, and 311 can also be changed. Accordingly, it is possible to measure not only lung respiration and cardiac output of a subject, but also various body composition information through electrical impedance imaging. In addition, after the

electrode units

10, 110, and 210 are connected to the

sensor units

20 and 120 and used, they are separated and discarded, so that existing problems such as bacterial infection can also be improved.

As described above, although it has been described with reference to preferred embodiments of the present invention, those skilled in the art can variously modify and change the present invention without departing from the spirit and scope of the present invention described in the following claims. You will understand that you can do it.

Claims

At least one electrode unit that supports at least one EIT electrode and is in close contact with the skin; And

A sensor unit for measuring electrical impedance image information by sensing a signal measured from the electrode unit;

Including,

The electrode unit is connected to the sensor unit and used once, and then separated from the sensor unit to be replaced using an EIT electrode.
The method of claim 1,

The electrode part,

Supports the at least one EIT electrode and includes at least one electrode support of a pad type extending in a longitudinal direction so as to be in close contact with the skin,

A measuring device using an EIT electrode in which an electrode line for electrical connection with the EIT electrode is provided on the electrode support.
The method of claim 2,

At least one end of the electrode support is connected to the sensor unit, the measuring device using an EIT electrode for electrically connecting the EIT electrode and the sensor unit to each other.
The method of claim 2,

An adhesive means for attaching the electrode support to the skin is provided on one surface of the electrode support on which the at least one EIT electrode is supported,

The adhesive means is a measuring device using an EIT electrode through which an exposed hole for exposing the at least one EIT electrode to contact the skin is formed.
The method of claim 1,

A plurality of EIT electrodes are provided in a sticker type having adhesive force and are individually adhered to the skin,

The plurality of EIT electrodes are each measuring device using an EIT electrode connected to the sensor unit through a connection line.
The method of claim 1,

The electrode part,

At least one electrode support connectable to the sensor unit; And

At least one electrode line extending from the electrode support and electrically connecting the electrode support and the at least one EIT electrode, respectively;

Measurement device using an EIT electrode comprising a.
The method of claim 6,

The at least one electrode line is a measuring device using EIT electrodes having different lengths extending from the electrode support.
The method of claim 1,

The at least one EIT electrode is provided with a display body on which an identification color or picture is formed,

A measuring device using an EIT electrode in which the electrode unit is provided with a barcode or a radio frequency identification (RFID) tag for providing information on the EIT electrode.
The method of claim 1,

At least one sensor unit is provided,

A measuring device using an EIT electrode that is provided with a plurality of electrode units and can be simultaneously connected to the at least one sensor unit.
The method of claim 1,

The sensor unit is attached to the skin and connected to a reference electrode that provides a reference of the electrode potential measured by the electrode unit,

A measuring device using an EIT electrode in which the reference electrode is mounted on the sensor unit, and the sensor unit is attached to the skin by adhesion of the reference electrode.
The method of claim 1,

The sensor unit is connected to a reference electrode that provides a reference of the electrode potential measured by the electrode unit,

A measuring device using an EIT electrode disposed near the electrode part and the reference electrode so that the sensor part can be connected to the reference electrode through an electrode line.
The method of claim 1,

A plurality of EIT electrodes are provided, and any one of the plurality of EIT electrodes is provided as a reference electrode providing a reference of the electrode potential measured by the electrode unit, and is measured using an EIT electrode connected to the sensor unit. Device.